SUSE-SU-2026:3876-1: important: Security update for openssl-3

OPENSUSE-SECURITY-UPDATES <[email protected]>
Newsgroups gmane.linux.suse.security.announce
Message-ID <178819478373.815.14900521616494732511@6bd16ccd9111> 
# Security update for openssl-3

Announcement ID: SUSE-SU-2026:3876-1  
Release Date: 2026-08-31T09:12:11Z  
Rating: important  
References:

  * bsc#1260446
  * bsc#1274774
  * bsc#1274788
  * bsc#1274790
  * bsc#1274795
  * bsc#1274797
  * bsc#1275837

  
Cross-References:

  * CVE-2026-54874
  * CVE-2026-63072
  * CVE-2026-63074
  * CVE-2026-63076
  * CVE-2026-75803

  
CVSS scores:

  * CVE-2026-54874 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-54874 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-63072 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-63072 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-63074 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-63074 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-63076 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-63076 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-75803 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

  
Affected Products:

  * openSUSE Leap 15.5
  * SUSE Linux Enterprise High Performance Computing 15 SP5
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  * SUSE Linux Enterprise Server 15 SP5
  * SUSE Linux Enterprise Server 15 SP5 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5

  
  
An update that solves five vulnerabilities and has two security fixes can now be
installed.

## Description:

This update for openssl-3 fixes the following issues:

  * CVE-2026-54874: Excessive Memory Use Buffering DTLS Records for a Future
    Epoch (bsc#1274795).
  * CVE-2026-63072: Heap Buffer Overflow in CMS Key Unwrapping (bsc#1274788).
  * CVE-2026-63074: CMP Indefinite Cache Growth of ExtraCerts (bsc#1274797).
  * CVE-2026-63076: Invalid Pointer Dereference in CMP Server via Crafted
    protectionAlg (bsc#1274790).
  * CVE-2026-75803: AEAD Forgeries with Empty Ciphertext When Using EVP_Cipher()
    (bsc#1275837).

Changes for openssl-3:

  * August 2026 release (bsc#1274774).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-3876=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-3876=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-3876=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-3876=1

  * openSUSE Leap 15.5  
    zypper in -t patch SUSE-2026-3876=1

## Package List:

  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libopenssl-3-devel-3.0.8-150500.5.75.1
    * openssl-3-3.0.8-150500.5.75.1
    * openssl-3-debuginfo-3.0.8-150500.5.75.1
    * libopenssl3-debuginfo-3.0.8-150500.5.75.1
    * libopenssl3-3.0.8-150500.5.75.1
    * openssl-3-debugsource-3.0.8-150500.5.75.1
  * openSUSE Leap 15.5 (aarch64 i586 ppc64le s390x x86_64)
    * libopenssl-3-devel-3.0.8-150500.5.75.1
    * openssl-3-3.0.8-150500.5.75.1
    * openssl-3-debuginfo-3.0.8-150500.5.75.1
    * libopenssl3-debuginfo-3.0.8-150500.5.75.1
    * libopenssl3-3.0.8-150500.5.75.1
    * openssl-3-debugsource-3.0.8-150500.5.75.1
  * openSUSE Leap 15.5 (aarch64_ilp32)
    * libopenssl3-64bit-3.0.8-150500.5.75.1
    * libopenssl-3-devel-64bit-3.0.8-150500.5.75.1
    * libopenssl3-64bit-debuginfo-3.0.8-150500.5.75.1
  * openSUSE Leap 15.5 (x86_64)
    * libopenssl3-32bit-debuginfo-3.0.8-150500.5.75.1
    * libopenssl3-32bit-3.0.8-150500.5.75.1
    * libopenssl-3-devel-32bit-3.0.8-150500.5.75.1
  * openSUSE Leap 15.5 (noarch)
    * openssl-3-doc-3.0.8-150500.5.75.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * libopenssl-3-devel-3.0.8-150500.5.75.1
    * openssl-3-3.0.8-150500.5.75.1
    * openssl-3-debuginfo-3.0.8-150500.5.75.1
    * libopenssl3-debuginfo-3.0.8-150500.5.75.1
    * libopenssl3-3.0.8-150500.5.75.1
    * openssl-3-debugsource-3.0.8-150500.5.75.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * libopenssl-3-devel-3.0.8-150500.5.75.1
    * openssl-3-3.0.8-150500.5.75.1
    * openssl-3-debuginfo-3.0.8-150500.5.75.1
    * libopenssl3-debuginfo-3.0.8-150500.5.75.1
    * libopenssl3-3.0.8-150500.5.75.1
    * openssl-3-debugsource-3.0.8-150500.5.75.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * libopenssl-3-devel-3.0.8-150500.5.75.1
    * openssl-3-3.0.8-150500.5.75.1
    * openssl-3-debuginfo-3.0.8-150500.5.75.1
    * libopenssl3-debuginfo-3.0.8-150500.5.75.1
    * libopenssl3-3.0.8-150500.5.75.1
    * openssl-3-debugsource-3.0.8-150500.5.75.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-54874.html
  * https://www.suse.com/security/cve/CVE-2026-63072.html
  * https://www.suse.com/security/cve/CVE-2026-63074.html
  * https://www.suse.com/security/cve/CVE-2026-63076.html
  * https://www.suse.com/security/cve/CVE-2026-75803.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1260446
  * https://bugzilla.suse.com/show_bug.cgi?id=1274774
  * https://bugzilla.suse.com/show_bug.cgi?id=1274788
  * https://bugzilla.suse.com/show_bug.cgi?id=1274790
  * https://bugzilla.suse.com/show_bug.cgi?id=1274795
  * https://bugzilla.suse.com/show_bug.cgi?id=1274797
  * https://bugzilla.suse.com/show_bug.cgi?id=1275837
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